Measurement-computing Data Acquisition Systems rev.10.4 Manual do Utilizador Página 324
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4.7-6 Daq API Command Reference 908594 Programmer’s Manual
API Error Codes (Cont.) – daqError
Channel Bank/Option Errors
Error Name Code # hex - dec Description
DerrInvBankType 3Fh - 63
Invalid bank-type specified. This error code is returned from
daqAdcExpSetChanOption and daqAdcExpSetBank if the channel type passed is
either undefined or inappropriate for the bank.
Corrective Actions:
• Check the chanType parameter for the daqAdcExpSetBank API and the
optionType parameter for the daqAdcExpSetChanOption API
DerrBankBoundary 40h - 64
Simultaneous writes to DBK cards in different banks not allowed.
Error Name Code # hex - dec Description
DerrInvFreq 41h - 65
Invalid scan frequency specified. Could not achieve the specified input scan
frequency – could not program the unit to scan or update at the requested rate. In
most cases the scan rate will automatically be set to the nearest achievable rate.
Corrective Actions:
• Lower the rate requested – normally, the rate requested is not achievable due
to the rate being too high for the unit.
• Decrease channel count – the aggregate rate can be increased by reducing the
number of channels to scan.
• If using a DaqBoard/2000 Series board the rate can be increased by ensuring
that Compatibility Mode (100Khz) is disabled.
DerrNoDaq 42h - 66
Daq/112/216 not found (obsolete error code)
DerrInvOptionType 43h - 67
Invalid option-type parameter - An invalid option type has been specified to the
daqSetOption or daqAdcExpSetModuleOption API’s. The optionType parameter
needs to be a valid value supported by the DaqOptionType definitions.
Corrective Actions:
• Check that the optionType parameter specified is a defined DaqOptionType.
• Check documentation for your device to determine if the device is capable of
setting the specified option.
DerrInvOptionValue 44h - 68
Invalid option-value parameter - An invalid option value has been specified to the
daqSetOption or daqAdcExpSetModuleOption API’s. The optionValue parameter
needs to be valid for the associated optionType parameter specified. The
optionValue parameter is a single precision floating point number that represents
the value to be set for the option. The most common occurrence of this error is
due to a value being passed that is outside the minimum and maximum allowable
settings for the option being set.
Corrective Actions:
• Check that the optionType parameter specified is the desired option to set.
• Check that the value being passed does not exceed the minimum or maximum
allowable settings for the option specified.
• Check documentation for your device to determine if the device is capable of
setting the specified option.
DerrTooManyHandles 60h - 96
No more handles available to open. Too many open sessions are active. Many
daqOpen API’s have been issued without closing enough sessions (daqClose).
There are no more handles available.
Corrective Actions:
• Close one or more devices (daqClose) so that a handle can become available.
DerrInvLockMask 61h - 97
Error code reserved for future use
DerrAlreadyLocked 62h - 98
Error code reserved for future use
DerrAcqArmed 63h - 99
Operation not available while an acquisition is armed. The operation must be
performed when there are no current acquisitions active or pending.
Corrective Actions:
• Wait until the acquisition terminates normally
• Terminate the acquisition with daqDisarm.
DerrParamConflict 64h - 100
Each parameter is valid, but the combination is invalid.
DerrInvMode 65h - 101
Invalid acquisition/wait/dac mode
DerrInvOpenMode 66h - 102
Invalid file-open mode – The file open mode openMode (DaqAdcOpenMode)
specified in the daqAdcSetDiskFile is invalid.
Corrective Action:
Check that the value passed for the openMode parameter is a valid
DaqAdcOpenMode type.
- *372195A-01* 1
- How to use this Manual 3
- 908494 Programmer’s Manual 4
- Table of Contents 5
- Introduction 1 7
- Language Support 8
- Driver Installation 9
- 908494 Programmer’s Manual 10
- Data Acquisition Environment 11
- Signal Environment 12
- 988594 Programmer’s Manual 14
- For x% = 0 To 3 30
- 0, 0, x%, bitVal&) 30
- Next x% 30
- Zero Compensation 33
- Linear Conversion 35
- End Sub 36
- Using Multiple Devices 3 37
- Internal Clock Method 40
- Master Clock Method 41
- External Clock Method 43
- Overview 45
- 938395 Programmer’s Manual 46
- Mask and Flag Definitions 50
- 961 962 963 ... 999 59
- 941 942 ... 958 959 960 59
- Raw Data Formats 81
- Setting the Scan Rate 89
- Scan Rate Mode 89
- Scan Rate State 90
- Actual Scan Rate 90
- 94
- DBK16-Read Offset Trimpot 95
- DBK43-Read Offset Trimpot 96
- Typical flags Settings 100
- Settings 101
- Prototypes 102
- Program References 102
- Function Usage 104
- Visual BASIC 105
- Returns 114
- Data Transfer Progress 115
- Example Acquisition States 116
- DazcNone 124
- DazcAutoZero 124
- Parameter Type Description 129
- Definition Description 129
- Purpose 131
- Offset value to apply 142
- Parameter Values 144
- parameters 148
- Parameter Summary 150
- Parameter Type Definitions 150
- Moving Averages 160
- Definition Description 165
- Using Thermocouples (T/Cs) 172
- T/C Gains Settings 173
- Daq/2000 Series devices* 174
- Setting the Output Mode 184
- Buffer Management 201
- DAC0 DAC1 DAC2 DAC3 P3 DO 202
- DAC0 DAC2 P3 DO 202
- Note 1: 206
- Offset for header in bytes 208
- Update Cycle Data Blocks 211
- Update/Sample Data Format 212
- Output From File Operation 212
- DaqBoard/2000c Series 219
- Setting the DAC Value 227
- 908794 Programmer’s Manual 232
- (continued) 249
- DdiProtocolInfo 251
- DdiExtFeatures 251
- Local I/O 262
- Expansion I/O 262
- Local I/O 266
- 957193 Programmer’s Manual 280
- (for 14 sample settings 282
- 2, 4, 8, 16, 32, 64 282
- 128, etc. up to 16384) 282
- Option Value (optionValue) 284
- Counter Mode 285
- 908594 Programmer’s Manual 286
- Set the Excitation Source 289
- DmotWbk14ExcSrcApply 289
- Sets the Dac Offset 290
- Use DC coupling when 290
- Example: 291
- DcovWbk17Mode_Period 295
- DcovWbk17Mode_Pulsewidth 296
- DcovWbk17Mode_Timing 296
- DcovWbk17Mode_Encoder 296
- Setting the Trigger Level 306
- API Error Codes - daqError 319
- A2 - 162 331
- Programmer’s Manual 332
- Appendix A A 333
- 988294 Programmer’s Manual 334
- 939198 Programmer’s Manual 336
- Custom OEM Installation C 337
- WIN 9x/Me WIN NT/2000/XP 338
- WIN 9x/Me and 338
- WIN NT/2000/XP 338
- Installation Locations: 339
- 958293 Programmer’s Manual 340
- 938295 Programmer’s Manual 342
- Format 347
- Time-of-Day Configuration 356
- Glossary 359
- 986896 Programmer’s Manual 360
- 986896 Glossary G-3 361
- 986896 Glossary G-5 363
- 986896 Glossary G-7 365
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